/*
 * Copyright 2011 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package ru.kruzhki.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.GWT.UncaughtExceptionHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootLayoutPanel;
import com.google.web.bindery.event.shared.UmbrellaException;

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class Main implements EntryPoint {
  public void onModuleLoad() {
    RootLayoutPanel.get().add(new Label("Hello!"));
    
    GWT.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {
        @Override
        public void onUncaughtException(Throwable e) {
          while (e instanceof UmbrellaException) {
            e = ((UmbrellaException) e).getCauses().iterator().next();
          }

          String message = e.getMessage();
          if (message == null) {
            message = e.toString();
          }
          //log.log(Level.SEVERE, "Uncaught exception", e);
          Window.alert("An unexpected error occurred: " + message);
        }
      });

  }
}
